A series of small earthquakes that have struck east of San Francisco since last week continue to rattle the region. KGO-TV reported Tuesday that the largest one so far, a magnitude-3.5 temblor struck around 4:20 p.m. Monday, according to the …
A swarm of earthquakes has shaken parts of Alfalfa County in northern Oklahoma. The U.S. Geological Survey says four earthquakes have been recorded around Cherokee and Helena since late on Feb. 4, including a magnitude 4.3 quake about five miles …
Seismologists have taken steps to better track an earthquake swarm in the sparsely populated northwest corner of Nevada near Oregon and California. Ken Smith of the University of Nevada, Reno’s Nevada Seismological Laboratory says the placement of equipment closer to …
Until recently, Bob Smith had never witnessed two simultaneous earthquake swarms in his 53 years of monitoring seismic activity in and around the Yellowstone Caldera. Now, Smith, a University of Utah geophysics professor, has seen three swarms at once. “It’s …
Geologists said three small earthquakes recorded in an area northwest of Mount St. Helens on Friday were part of a mini-swarm of quakes not directly related to the nearby volcano. The Columbian says that a U.S. Geological Survey report says …
Nevada seismologists and emergency managers say they’re monitoring an earthquake swarm in Carson City that has the potential to result in a major temblor. But officials from the Nevada Seismological Laboratory at the University of Nevada, Reno, stress they can’t …
